Storm-Charged Slasher is, of course, even stronger
In a Two-Headed Giant game, Curry Favor causes the opposing team to lose X life twice, after you gain X life once
Many black-based decks can create a hefty amount of Treasure tokens, and just creating and sacrificing two Treasures deals 4 damage to everybody else
Channel and Sneak Attack don't have similar rules text, for example, but they overlap in their ability to do broken things with big colorless creatures, so you might pick up a Sneak Attack to support your early-pick Channel, and then prioritize the legendary Eldrazi creatures, Blightsteel Colossus, and Sundering Titan over a card like Karn Liberated, which only works with the Channel plan
Omnath, Locus of Creation What the hell
it's a shimmering emblem of your dedication and passion for the game